/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#include "pagespeed/kernel/base/annotated_message_handler.h"

#include "pagespeed/kernel/base/message_handler.h"
#include "pagespeed/kernel/base/string.h"
#include "pagespeed/kernel/base/string_util.h"

namespace net_instaweb {

AnnotatedMessageHandler::AnnotatedMessageHandler(MessageHandler* handler)
    : message_handler_(handler) {}

AnnotatedMessageHandler::AnnotatedMessageHandler(const GoogleString& annotation,
                                                 MessageHandler* handler)
    : message_handler_(handler) {
  annotation_ = annotation;
}

AnnotatedMessageHandler::~AnnotatedMessageHandler() {}

void AnnotatedMessageHandler::MessageVImpl(MessageType type, const char* msg,
                                           va_list args) {
  GoogleString buffer(annotation_);
  FormatTo(&buffer, msg, args);
  message_handler_->MessageS(type, buffer);
}

void AnnotatedMessageHandler::MessageSImpl(MessageType type,
                                           const GoogleString& message) {
  GoogleString buffer = StrCat(annotation_, message);
  message_handler_->MessageS(type, buffer);
}

void AnnotatedMessageHandler::FileMessageVImpl(MessageType type,
                                               const char* filename, int line,
                                               const char* msg, va_list args) {
  GoogleString buffer(annotation_);
  FormatTo(&buffer, msg, args);
  message_handler_->FileMessageS(type, filename, line, buffer);
}

void AnnotatedMessageHandler::FileMessageSImpl(MessageType type,
                                               const char* filename, int line,
                                               const GoogleString& message) {
  GoogleString buffer = StrCat(annotation_, message);
  message_handler_->FileMessageS(type, filename, line, buffer);
}

}  // namespace net_instaweb
